Stihl HL 91 K Instruction Manual - Page 32

English Specifications EPA / CEPA The Emission Compliance Period referred to on the Emissions Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements. Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine Single-cylinder two-stroke engine Displacement: Cylinder bore: Piston stroke: 24.1 cm3 (1.47 cu. in.) 35 mm (1.38 in) 25 mm (0.98 in) Engine power to ISO 8893: 0.9 kW (1.2 bhp) at 8000 rpm Idle speed: 2800 rpm Cut-off speed (nomi- nal value): 9300 rpm Ignition system Magneto ignition system, electronic Spark plug (suppressed): Electrode gap: NGK CMR6H 0.5 mm (0.02 in) Fuel system Fuel tank capacity: Weight 540 cm3 (18.3 oz.) Dry weight with 0° gearbox, 600 mm (24 in), with cutter guard HL 91 K: 5.2 kg (11.5 lbs.) Cutting blades Blade type: Blade length: Tooth spacing: Tooth height: Sharpening angle: Double-sided 600 mm (24 in) 34 mm (1.34 in) 22 mm (0.87 in) 45° relative to blade Maintenance and Repairs Users of this unit should carry out only the maintenance operations described in this manual. STIHL recommends that other repair work be performed only by authorized STIHL servicing dealers using genuine STIHL replacement parts. Genuine STIHL parts can be identified by the STIHL part number, the { logo and, in some cases, by the STIHL parts symbol K. The symbol may appear alone on small parts. For repairs of any component of this unit's air emissions control system, please refer to the air emissions systems warranty in this manual. 30 HL 91 K